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BNC: 1205 COCA: 1023
gas
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noun /ɡæs/
singulargas
pluralgases or gasses
  1. 1
    [C/U] science a substance such as air that is neither a solid nor a liquid 气体

    regulations to cut the emissions of gases such as carbon dioxide 降低二氧化碳等气体排放量的规章制度

    They detected high levels of radon gas in the building. 他们测出这座建筑物内氡气含量非常高。

     Synonyms and related words
    Gases: acetylene, ammonia, argon...
    1. a.
      [U] a gas burned as fuel, for example to heat your house or cook food 气体燃料；煤气；天然气

      a gas cooker/heater/boiler 燃气灶/取暖器/热水壶

      She couldn't pay her gas bill. 她付不起燃气费。

      Can you smell gas? 能闻到煤气味吗？

      gas mark 3/4 etc (=a measurement of the temperature of an oven) 气量（挡位）3/4等（一种控制炉温的方法） :

      Heat the oven to gas mark 6. 给炉子加温到 6 挡。

       Synonyms and related words
      Fuel and using fuel: biofuel, biogas, biomass...
    2. b.
      [U] a gas used for harming or killing people, or for affecting their behaviour 毒气；瓦斯

      Police used gas to disperse the crowd. 警察用瓦斯驱散了人群。

      A nerve gas attack left hundreds injured. 神经毒气袭击使上百人受伤。

       Synonyms and related words
      Gases: acetylene, ammonia, argon...
    3. c.
      [U] a gas given to people before an operation to make them sleep, or during medical treatment so that they will feel less pain （手术或医疗用的）麻醉气
       Synonyms and related words
      Types and forms of medicine: amphetamine, anabolic steroid, anaesthesia...
    4. d.
      [U] mainly American wind produced inside your body by your stomach 胃气
       Synonyms and related words
      Removing gas from the body: belch, belch, blow off...
  2. 2
    [U] American petrol 汽油
    get gas :

    We need to get some gas before we leave town.

     Synonyms and related words
    Oil used as fuel and in chemical products: barrel, benzene, black gold...
Am/Br differences: gas
Differences between British and American English: gas
In the UK, gas usually refers to a clear substance like air that is burned to cook food or to heat your house: a gas boiler. Gas can also have this meaning in the US, but when American speakers say gas they are usually referring to a type of liquid fuel that is used to produce power in cars: We'd better get gas on our way out of town. In the UK, you call this fuel petrol.
gas
verb /ɡæs/
present tense
I/you/we/theygas
he/she/itgases
present participlegassing
past tensegassed
past participlegassed
  1. 1
    [T] to attack or kill someone by making them breathe a poisonous gas 用毒气袭击；用毒气杀死
     Synonyms and related words
    To kill a person or animal: kill, murder, strangle...
     Synonyms and related words
    To attack with weapons or bombs: attack, bayonet, be bombed out (of something)...
  2. 2
    [I] informal to talk a lot about unimportant things 空谈；闲聊
     Synonyms and related words
    To talk a lot about other people or unimportant things: gossip, chatter, prattle...
BNC: 1205 COCA: 1023
gas

noun¹

 1substance like air氣體ADJECTIVE | VERB + GAS | GAS + VERB | GAS + NOUN ADJECTIVE➤deadly, noxious, poisonous, toxic致命氣體；有害氣體；毒氣➤explosive, flammable, inflammable, radioactive爆炸性氣體；可燃性氣體；放射性氣體➤compressed, hot壓縮氣體；熱氣➤colourless/colorless, odourless/odorless無色的／無味的氣體▸➤inert, noble惰性氣體▸➤exhaust, greenhouse廢氣；溫室氣體◇pollution from greenhouse gases溫室氣體造成的污染➤hydrogen, methane氫氣；甲烷氣體▸➤mustard, nerve, sarin, tear芥子氣；神經性毒氣；沙林毒氣；催淚瓦斯◇Police used water cannon and tear gas against demonstrators.警方使用高壓水龍和催淚瓦斯對付示威者。➤laughing (= nitrous oxide) (informal) 笑氣VERB + GAS➤emit, give off, produce, release排放／散發／產生／釋放氣體◇It gives off a poisonous gas as it decomposes.它分解時釋放出一種有毒氣體。GAS + VERB➤build up氣體逐漸積累◇Noxious gases had built up in the sewer.下水道裏的有害氣體越積越多。GAS + NOUN➤escape, leak氣體逃逸／泄漏◇Toxic gases can escape through one of the pipes.有毒氣體有可能通過其中一條管道泄漏。➤emissions氣體排放◇greenhouse gas emissions溫室氣體的排放➤chamber毒氣室◇Millions of Jews were sent to the gas chambers by the Nazis.數以百萬計的猶太人被納粹送進了毒氣室。➤mask防毒面具
gas

noun²

 2for heating/cooking供加熱或烹飪ADJECTIVE | VERB + GAS | GAS + NOUN | PHRASES ADJECTIVE➤butane, coal, natural, propane (especially BrE) 丁烷；煤氣；天然氣；丙烷▸➤bottled, Calor™, cooking (NAmE) 罐裝液化氣VERB + GAS➤cook with用煤氣做飯◇I prefer to cook with gas.我喜歡用煤氣做飯。➤light, turn on打開煤氣；點燃煤氣灶◇I lit the gas and put the soup on to warm.我打開煤氣灶把湯放在上面加熱。GAS + NOUN➤appliance, boiler, central heating, cooker, fire, furnace, heater, lamp, oven, range, stove燃氣具；燃氣鍋爐；燃氣中央供暖系統；煤氣爐；煤氣取暖器；煤氣加熱器；煤氣燈；煤氣灶▸➤bottle, canister, cylinder, pipeline煤氣罐；煤氣鋼瓶；煤氣管道➤board (BrE) 燃氣管理局▸➤exploration, industry天然氣探測／工業▸➤field, reserves氣田；天然氣儲量◇Chinese gas reserves are now being tapped.中國正在開發天然氣儲備。➤supply供氣▸➤leak燃氣泄漏◇All gas leaks should be reported as soon as possible.所有燃氣泄漏事件都應該儘快上報。PHRASES➤gas mark 2, 3, etc. (BrE) 氣量標記 2、3 等◇Set the oven at gas mark 4.把煤氣灶的氣量標記調在 4 上。
gas

noun³

 3 (NAmE) fuel for cars, etc.汽油等  ➡ see also gasoline GAS + NOUN➤pedal加速踏板；油門◇He hit the gas pedal and headed off.他一踩油門，開走了。➤station加油站◇We stopped at a gas station to fill up.我們在一家加油站停下來加油。
BNC: 1205 COCA: 1023
gas noun
⇨ material (a mixture of gases) ⇨ oil (gas for heating)

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